Extended limitation cannot be invoked absent suppression when manufacturing facts were fully disclosed, even if exemption on merits fails.

Captively consumed polystyrene sheets were treated as includible in the aggregate value of clearances because the exemption applied only to goods exempt from duty or chargeable at nil rate; the intermediate clearances therefore remained part of the computation, and the Modvat credit plea did not alter the duty position on merits. The demand was nevertheless held time-barred because the assessee had repeatedly disclosed the manufacturing process, the intermediate emergence of sheets, and the duty position to the Department, leaving no suppression of material facts or basis for the extended period or penalty.

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Issues: (i) Whether the value of polystyrene sheets captively consumed in the manufacture of thermoformed disposable plastic containers was includible in the aggregate value of clearances and whether the exemption under the relevant notifications was available. (ii) Whether the demand was barred by limitation and the extended period could be invoked in the absence of suppression or intent to evade duty.

Issue (i): Whether the value of polystyrene sheets captively consumed in the manufacture of thermoformed disposable plastic containers was includible in the aggregate value of clearances and whether the exemption under the relevant notifications was available.

Analysis: The exemption for clearances excluded only goods exempt from duty or chargeable to nil rate of duty. Polystyrene sheets were found to be chargeable to duty and therefore did not fall within the benefit of the exemption applicable to inputs used in the manufacture of exempt or nil-rated final products. On that basis, the intermediate clearances had to be added while computing the aggregate value of clearances. The plea based on Modvat credit was not accepted for deciding the duty liability on merits.

Conclusion: The issue was decided against the assessee on merits.

Issue (ii): Whether the demand was barred by limitation and the extended period could be invoked in the absence of suppression or intent to evade duty.

Analysis: The record showed repeated disclosures to the Department about the manufacturing process, including the emergence of sheets at the intermediate stage, along with declarations and correspondence seeking clarification on duty liability. The departmental officers had visited the unit, verified the process, and acknowledged the declarations. In those circumstances, there was no suppression of material facts and no basis for invoking the extended period or sustaining the penalty on limitation grounds.

Conclusion: The demand was time-barred and the extended period was not invocable.

Final Conclusion: The duty demand and penalties could not survive because the proceedings were barred by limitation, although the assessee failed on the substantive exemption issue.

Ratio Decidendi: Where the assessee has made full disclosure of the manufacturing process and material facts to the Department, the extended period of limitation under central excise law cannot be invoked in the absence of suppression or intent to evade duty, even if the assessee fails on the merits of exemption.

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